| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Group Solutions, Too: More Cooperative Logic Activities for Grades K-4 | 978-0-912511-38-2 (0-912511-38-9) | 2007 | Jaine Kopp |
| Group Solutions Updated Edition | 978-0-924886-48-5 (0-924886-48-X) | 2000 | |
J. G. · J. Goodman · J.M. · J. M. Goodman · Jan Goodman · M G*** · M. Goodman